feat(ui,api): update action buttons, password modal button, and dashboard user count

- Exclude hidden super administrator from dashboard active users count

- Rename UPDATE PASSWORD button to UPDATE in change password modal

- Use single-word labels and uniform dimensions for user profile action buttons

backend/src/controllers/dashboardController.js

@@ -12,7 +12,7 @@ exports.getStats = (req, res) => {
         let totalStudents;
         let completedDocuments;
         let missingDocuments;
-        const activeUsers = db.prepare('SELECT COUNT(*) as count FROM users WHERE is_active = 1').get().count;
+        const activeUsers = db.prepare('SELECT COUNT(*) as count FROM users WHERE is_active = 1 AND COALESCE(is_hidden, 0) = 0').get().count;
 
         // Resolve Active Academic Year
         const activeAy = db.prepare("SELECT * FROM academic_years WHERE status = 'active' LIMIT 1").get()

frontend/lib/ui/screens/settings/widgets/change_password_modal.dart

@@ -243,7 +243,7 @@ class _ChangePasswordModalState extends ConsumerState<ChangePasswordModal> {
                 crossAxisAlignment: CrossAxisAlignment.stretch,
                 children: [
                   PrimaryButton(
-                    label: 'UPDATE PASSWORD',
+                    label: 'UPDATE',
                     isLoading: _isLoading,
                     onPressed: _handleSubmit,
                   ),
@@ -276,9 +276,9 @@ class _ChangePasswordModalState extends ConsumerState<ChangePasswordModal> {
                   ),
                   const SizedBox(width: 12),
                   SizedBox(
-                    width: 180,
+                    width: 130,
                     child: PrimaryButton(
-                      label: 'UPDATE PASSWORD',
+                      label: 'UPDATE',
                       isLoading: _isLoading,
                       onPressed: _handleSubmit,
                     ),

frontend/lib/ui/screens/users/users_screen.dart

@@ -1325,9 +1325,10 @@ class _UserDetailAndEditModalContentState
                             onTap: onTap,
                             borderRadius: BorderRadius.circular(8),
                             child: Container(
+                              height: 38,
+                              alignment: Alignment.center,
                               padding: EdgeInsets.symmetric(
                                 horizontal: isCompact ? 6 : 12,
-                                vertical: 10,
                               ),
                               decoration: BoxDecoration(
                                 borderRadius: BorderRadius.circular(8),
@@ -1368,7 +1369,7 @@ class _UserDetailAndEditModalContentState
 
                       final resetBtn = buildActionButton(
                         icon: Icons.lock_reset_rounded,
-                        label: isCompact ? 'Reset Pass' : 'Reset Password',
+                        label: 'Reset',
                         onTap: () {
                           Navigator.of(context, rootNavigator: true).pop();
                           widget.onResetPassword?.call(_currentUser);
@@ -1652,6 +1653,7 @@ class _UserDetailAndEditModalContentState
                           child: OutlinedButton(
                             onPressed: _cancelEditing,
                             style: OutlinedButton.styleFrom(
+                              minimumSize: const Size.fromHeight(50),
                               padding: const EdgeInsets.symmetric(
                                 horizontal: 20,
                                 vertical: 14,
@@ -1666,7 +1668,7 @@ class _UserDetailAndEditModalContentState
                         const SizedBox(width: 12),
                         Expanded(
                           child: PrimaryButton(
-                            label: 'Save Changes',
+                            label: 'Save',
                             isLoading: _isLoading,
                             onPressed: _handleSave,
                           ),